Hello , i have a problem when i connect the uno to the computer there is no new hardware recognized earlier i accidentlly shorted the ground and 5v pin but i know there is a fuse that disconnects the card until the shortage/load is clearedand this is what happend as i heard the windows usb disconnect then reconnect soundlater this i tried uploading a sketch but i found no com port i tried disconnecting reconnecting but nothing happens no hardware found i tried on another computer but the same ? the atmega16u2 is fried ? or there is still hope , any suggestions solutions please share ?Thanks

and everything went smooth the new firmware was written , now i tried to connect the uno again but nothing happens no hardware detectedobviously the atmega16u2 chip is not fried there is still hope .... if anyone could help me i suspect one of the components needs to be replaced a capacitor a transistor etc .... any tips or advice will be much appreciated thank you all